Cartier Tortue Ultra Thin 18kt Yellow Gold Box and PapersThis is a wonderfully slim Cartier Tortue, the French word for tortoise. Known as the master of shapes, Cartiers Tortue is another fascinating case design from the brand but this time the watch is very slim, unlike other Tortues, thanks to the superb Frederic Piguet movement! This superbly sized Tortue in 18 k yellow gold measures 36 x 28mm the white dial features black painted Roman numerals and a railroad track. The watch has delicate blued steel